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PROTECTIVE EFFECT OF TRIPCHLOROLIDE ON DOPAMINERGIC NEURONS IN PARTIALLY LESIONED RAT MODEL OF PARKINSON'S DISEASE
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- Author:
- No author available
- Journal Title:
- ACTA PHARMACEUTICA SINICA
- Issue:
- 5
- DOI:
- 10.3321/j.issn:0513-4870.2002.05.005
- Key Word:
- 雷公藤氯内酯醇;帕金森病;多巴胺;神经保护;免疫抑制剂
Abstract： 目的探讨雷公藤氯内酯醇(T4)对帕金森病(PD)大鼠多巴胺(DA)神经元的保护作用.方法采用线刀损毁大鼠内侧前脑束(MFB)制备部分损伤性PD模型,应用旋转行为测试行为学改变,HPLC-ECD检测纹状体DA含量,酪氨酸羟化酶(TH)免疫组化检测DA神经元的存活率,双抗夹心ELISA法检测损毁侧脑组织中细胞因子含量.结果 T4在较低剂量下(1 μg*kg-1)能够改善安非他明(AMPH)诱发的PD大鼠异常旋转行为,其损伤侧纹状体DA含量和黑质致密部DA神经元存活率均比对照组增加,并能抑制脑内TNF-α和IL-2的异常升高.结论免疫抑制剂T4对PD大鼠具有肯定的神经保护作用,其作用的发挥与T4抵抗细胞因子在脑内过度升高而产生的毒性作用有关.
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